Ransomware Intelligence

Japan Exchange Group

Ransomware victim

rootGroup

JapanCountry

Nov 28, 2025Discovered

Overview

View group profile

Industry

Financial Services

Country

Japan

Discovered

6 months ago

Confidence

70%

Severity

Medium

Status

Unknown

Threat group

Total victims

9

First seen

Nov 2025

Last seen

Dec 2025

Group status

active

Sophistication

0

Impact score

17

Threat level

0.8/10

Aggressiveness2.3/10

Lethality0/10

Criticality0/10

Status breakdown

Claimed66.7%6

Targeted sectors

Financial Services Hospitality Manufacturing Other Retail & E-Commerce Technology

Victim's position within group

Industry

Financial Services

Known target sector

Country

Japan

Not a listed target country

Other victims

Same group · root

Group activity

Monthly attacks · root

9

total · avg 4.5/mo